1) Magnesium mineral 2) Potassium mineral
Found on
https://www.crosswordclues.com/clue/osumilite
Osumilite a very rare hydrate potassium-sodium-iron-magnesium-aluminium silicate mineral. Osumilite is part of the milarite group (also known as the milarite-osumilite group) of cyclosilicates. ==Characteristics== Osumilite chemical formula is (K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30·H2O. It is translucent and the typical coloring is either blue, black...
Found on
http://en.wikipedia.org/wiki/Osumilite
No exact match found.
